I've just started installation of my wood stove insert (Drolet 1800i). Planning to install a block off plate just below where I removed the fireplace damper. I've read some have used 26 gauge steel and a few have used Durock cement board. Anyone have plus/minus comments on either? I would think the cement board will be easier to cut and form to my fireplace.
Also, am planning to put rockwool insulation above the block off plate. I'm not planning to insulate the SS flex liner since my flue is oval shaped and won't allow the the liner to slide in on the long sides if it is wrapped with insulation. Should I try stuffing insulation down the flue as best I can once the liner is in place or will it be sufficient to leave uninsulated? The total run will be 13 ft from top of insert to exit at top of chimney.
Also, am planning to put rockwool insulation above the block off plate. I'm not planning to insulate the SS flex liner since my flue is oval shaped and won't allow the the liner to slide in on the long sides if it is wrapped with insulation. Should I try stuffing insulation down the flue as best I can once the liner is in place or will it be sufficient to leave uninsulated? The total run will be 13 ft from top of insert to exit at top of chimney.